The planned documentary by the Oprah Winfrey Network on Michael Sam, the NFL's first openly gay player, has been postponed.

Erik Logan, president of the network, said Friday that the postponement was made after meetings with the St. Louis Rams.

As a seventh-round draft pick, Sam will face hefty challenges just to make the Rams. Being the subject of a TV documentary could have been a distraction for the defensive end from Missouri.

The postponement "will allow for Michael to have a total focus on football, and will ensure no distractions to his teammates," said Sam's agent, Cameron Weiss. "Everybody involved remains committed to this project and understands its historical importance as well as its positive message."

Sam made his first public appearance in a Rams uniform at St. Louis' rookie camp.

How Manziel was drafted: Once Johnny Manziel texted. the Browns didn't waste another second. They rushed to draft Johnny Football.

Browns quarterbacks coach Dowell Loggains said in a radio interview that as the Texas A&M star was sliding in the first round of the NFL draft last week, Manziel sent a text message urging Cleveland to select him.

Loggains said Manziel sent him a text that read: "I wish you guys would come get me. Hurry up and draft me because I want to wreck this league together."

Loggains said he forwarded the text to Browns coach Mike Pettine and owner Jimmy Haslam, who said, "Pull the trigger. We're trading up to go get this guy."

Welker's lucky day: It turns out Wes Welker's luck at the May 3 Kentucky Derby extended beyond the racetrack and into the cashier's window.

Welker was seen at Churchill Downs with a large stack of cash and handing out $100 bills to random people after 37-1 long shot Commanding Curve finished second to California Chrome.

Churchill Downs spokesman Darren Rogers said that a patron in Welker's group was accidentally overpaid $14,484.55. TMZ reported that the Denver Broncos receiver sent a friend to collect his winnings for him. He was supposed to receive $42,295.35 but instead got $57,193.90.

"It was clearly an innocent mistake on both ends," Rogers said.

Mathis suspended: NFL sack champion Robert Mathis of the Colts was suspended for four games by the NFL after violating the league's ban on performance-enhancing substances. What exactly Mathis tested positive for remains a mystery but the linebacker said he was seeking fertility assistance. He said he and his wife are expecting a baby.

49ers signing: San Francisco signed cornerback Kenneth Acker, its sixth-round pick out of SMU, to a four-year deal.

Also, the Arizona Cardinals were awarded defensive tackle Christian Tupuo off waivers from the 49ers, who had signed him in January.